1). Eccentricity variations cause ________, whereas obliquity variations cause _
ID: 160283 • Letter: 1
Question
1). Eccentricity variations cause ________, whereas obliquity variations cause _________.
changes in the annual averaged amount of sunlight hitting the Earth; different seasons to occur in each hemisphere at the same time
2). Complete the sentence: in the Northern Hemisphere over the past _______, glaciation periods have _________.
3).
Milankovitch included which of the following factors in his model in order to help explain different periods of the Earth’s climate history? Select all that apply.
4).
Which of the following statements are describing negative feedbacks? Select all that apply.
the Earth to experience glacial periods; changes in the annual averaged amount of sunlight hitting the EarthExplanation / Answer
1.
Answer: Eccentricity variations cause changes in the annual averaged amount of sunlight hitting the Earth, whereas obliquity variations cause the Earth to experience glacial periods.
2.
Answer: In the Northern Hemisphere over the past 700,000 years, glaciation periods have 100,000 years.
3.
Answer: The Earth obliquity or tilt.
4.
Answer: As ice coverage increases, the albedo of the planet increases, this reduces the absorbed radiation.
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